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GM Tech (Cam), Chevy Technician

Category: Chevy

Satisfied Customers: 29427

Experience: GM Grand Master Technician 2007. 14 years experience.

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Truck starts and immediately dies. Replaced lift pump just

Customer Question

Truck starts and immediately dies. Replaced lift pump just for good measure, despite getting fuel. Pmd was already relocated. It cranks good, starts and then dies a second later. Broke down on side of road. Help!

The theft system is built into it from the factory. To relearn it, do the following. Try to start the vehicle, when it stalls leave the key alone for 10 minutes until the security light stops flashing. Turn the key off for 30 seconds, repeat that process two more times for a total of 30 minutes and then see if it starts. If not, but it's entirely possible your injection pump was fail internally.

I ohmed the green wire and got 2 volts, checked pink wire and the light illuminated. Checked wire C, light illuminated. So the PCM is sending signal to pmd. We tested at the connector on top, because the pigtail going to the pmd has all black wires.

Customer:replied 1 year ago.

How can I make sure it's the pmd vs the injector pump. Not made of money so, lol.